1.
Pandey VK, Aggarwal P, Kakkar R. Modified BG Prasad Socio-economic Classification, Update - 2019. Indian J Community Health [Internet]. 2019Mar.31 [cited 2021Mar.3];31(1):150 -152. Available from: https://iapsmupuk.org/journal/index.php/IJCH/article/view/1055